* {
  margin: 0;
  padding: 0;
  box-shadow: none;
}
a {
  text-decoration: none;
}
input,
button {
  background: transparent;
  border: none;
  outline: none;
}
.login {
  height: 100vh;
  background: linear-gradient(#141e30, #243b55);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 16px;
  color: #03e9f4;
}
.loginBox {
  width: 400px;
  height: 364px;
  background-color: RGB(0, 0, 0, 0.5);
  box-shadow: 0px 15px 25px 0 rgb(0, 0, 0, 0.6);
  padding: 40px;
  box-sizing: border-box;
}
h2 {
  text-align: center;
  color: #fff;
  margin-bottom: 30px;
}
.item {
  height: 30px;
  border-bottom: 1px solid #fff;
  margin-bottom: 30px;
  position: relative;
}
.jzm_text {
  position: relative;
}
.jzm {
  width: 50%;
}
.getJzm {
  width: 30%;
  position: absolute;
  top: 0;
  right: 20px;
  height: 100%;
  cursor: pointer;
  background-color: #fff;
  border-radius: 5px;
}
.item input {
  width: 100%;
  height: 100%;
  color: #fff;
  padding-top: 10px;
  box-sizing: border-box;
}
.item p {
  position: absolute;
  left: 0;
  top: 0;
  transition: all 0.5s ease;
}
.item input:focus + p,
.item input:valid + p {
  top: -15px;
  font-size: 12px;
}
.btn {
  padding: 10px 20px;
  margin-top: 10px;
  margin-left: 40%;
    
  color: #03e9f4;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 2px;
}
.btn:hover {
  background-color: #03e9f4;
  border-radius: 5px;
  color: #fff;
  box-shadow: 0 0 5px 0 #03e9f4, 0 0 25px 0 #03e9f4, 0 0 50px 0 #03e9f4,
    0 0 100px 0 #03e9f4;
  cursor: pointer;
}
.btn > span {
  position: absolute;
}
.btn > span:nth-child(1) {
  width: 100%;
  height: 2px;
  background: -webkit-linear-gradient(left, transparent, #03e9f4);
  left: -100%;
  top: 0;
  animation: line1 1s linear infinite;
}
@keyframes line1 {
  50%,
  100% {
    left: 100%;
  }
}
.btn > span:nth-child(2) {
  width: 2px;
  height: 100%;
  background: -webkit-linear-gradient(top, transparent, #03e9f4);
  right: 0;
  top: -100%;
  animation: line2 1s 0.25s linear infinite;
}
@keyframes line2 {
  50%,
  100% {
    top: 100%;
  }
}
.btn > span:nth-child(3) {
  width: 100%;
  height: 2px;
  background: -webkit-linear-gradient(left, #03e9f4, transparent);
  left: 100%;
  bottom: 0;
  animation: line3 1s 0.5s linear infinite;
}
@keyframes line3 {
  50%,
  100% {
    left: -100%;
  }
}
.btn > span:nth-child(4) {
  width: 2px;
  height: 100%;
  background: -webkit-linear-gradient(top, #03e9f4, transparent);
  left: 0;
  top: 100%;
  animation: line4 1s 0.75s linear infinite;
}
@keyframes line4 {
  50%,
  100% {
    top: -100%;
  }
}
